This wire detector in wall is only suitable for testing gypsum board, wood board and partition wall, it can not test cement brick inside PC plastic pipe. It is small and easy to carry, come and have a try, it will not disappoint you. Features: Handy and portable design, you can take it anywhere you want to use it. Suitable for homeowner or DIY enthusiasts, you can find excellent applications for this electronic scanner. Made of thin material which has a long service time, you don't need to change it frequently, save your money. With a center indicator and signal strength indicator, it also has a power indicator for a better user experience. This wire detector in wall is only suitable for detecting gypsum board and partition wall, for detecting the center of keel in wall made of wood board and gypsum board in 20mm. Specifications:Material: ABS Lamp: BlackProduct Size: 146*63*35mm/5.7*2.5*1.4in Product Weight: 90g/3.2ouncePackage Size: 170*75*45mm/6.7*3.0*1.8in Package Weight: 132g/4.7ouncePacking List:1*Wire Detector in the WallMany questions about Dropshipping services are following:1. How many orders can you handle per day? We are a large company in Shenzhen, China, with a large warehouse that can handle large orders every day. We ship countless packages every day. We can guarantee the order you request.2. How fast can you process orders? We will arrange the shipment as soon as possible after you pay for your order. Priority delivery for dropshipping order3. Can you ship an order without any receipts, invoices and promotional offer inside the package? Absolutely! No invoices, receipts, promotional offer if you leave notes on the order (if you want, we can deliver.)4. If you need other products? We can supply most of the products you need as much as possible1If you have any other questions, please feel free to